US Bridges

US 431 over Town Branch

Fair

Logan County, Kentucky · 0.2 MI S of KY-79 · Structure no. 071B00111N

Built
2015
10 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
5,816
2022 count
Owner
State
State Highway Agency

About this bridge

US 431 over Town Branch is a concrete culvert carrying US 431 over Town Branch in Logan County, Kentucky. It was built in 2015, so it is 10 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,816 vehicles a day, projected to reach 5,816 by 2042. The structure is 27 ft (8.1 m) long and 137 ft wide.

Location

Open in Google Maps
CarriesUS 431
CrossesTown Branch
Location0.2 MI S of KY-79
RouteU.S. Route 79
CountyLogan County
StateKentucky
Coordinates36.82806, -86.90556
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadGreater than HL 93
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width137 ft (41.9 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,816 (2022)
Projected traffic5,816 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 431 over Town Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is US 431 over Town Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does US 431 over Town Branch carry?

About 5,816 vehicles per day (2022 count).

How long is US 431 over Town Branch?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m) and a deck 137 ft wide.

Who owns US 431 over Town Branch?

It is owned by the State Highway Agency.